Apple tvOS up to 10.1.0 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 10.1.0. It has been rated as critical. Affected by this issue is some unknown functionality of the component WebKit. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2017-2356. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple tvOS up to 10.1.0 (Digital Media Player). It has been rated as critical. This issue affects an unknown function of the component WebKit. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 01/19/2017. The weakness was released 01/23/2017 with Team Pangu as HT207485 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2017-2356 since 12/01/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple memory corruption issues were addressed through improved input validation.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 96877 (Apple TV < 10.1.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370283 (Apple Safari 10.0.3 Not Installed (APPLE-SA-2017-01-23-5)).

Upgrading to version 10.1.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96877) and SecurityFocus (BID 95736†). Entries connected to this vulnerability are available at VDB-95903, VDB-95902, VDB-95912 and VDB-95922. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96877
Nessus Name: Apple TV < 10.1.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Code Execution Vulnerabilities Feb17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: tvOS 10.1.1

Timelineinfo

12/01/2016 🔍
01/19/2017 +49 days 🔍
01/23/2017 +4 days 🔍
01/23/2017 +0 days 🔍
01/23/2017 +0 days 🔍
01/25/2017 +2 days 🔍
01/30/2017 +5 days 🔍
02/20/2017 +21 days 🔍
11/03/2022 +2082 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207485
Organization: Team Pangu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2356 (🔍)
GCVE (CVE): GCVE-0-2017-2356
GCVE (VulDB): GCVE-100-95921
SecurityFocus: 95736 - WebKit Multiple Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-2356 - Apple - Multiple Products - Memory Corruption Issue
SecurityTracker: 1037668

See also: 🔍

Entryinfo

Created: 01/25/2017 11:31
Updated: 11/03/2022 14:48
Changes: 01/25/2017 11:31 (79), 07/31/2020 10:42 (6), 11/03/2022 14:48 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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